A transient cliff

West Bay in Dorset lies somewhere around half way along the Jurassic coast. The coast is a world heritage site, 95 miles long and 185 million years old.

So why am I showing you a picture of cliffs that old for a photo challenge theme of transient?

The cliffs are unstable in several places along the coast, West Bay has signs warning of rock slides just behind where people are enjoying the sun.

Quite a few years ago,¬† David Attenborough, the God of television nature documentaries, compared the age of our planet to the hours and minutes¬†of a day. Apparently humankind arrived in the last minute of that day, and the planet is 4.54 billion years old. So not only are the people on this beach a mere blink of the Earth’s eye, but the crumbling cliffs are somewhat transient as well.

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